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If a=4, b=-2.5, c=10, and d=-6, then calculate 1)abc 2) 4(a^2)-2d+b 3)((2d)^2)-4c+(a^2)

4 * (-2.5) * 10 = -1002)4(4 2 ) - 2(-6) + (-2.5) = 73.53)(2(-6)) 2 - 4(10) + (4) 2 = 120
HM
Answered by Huw M. • Maths tutor
1450 Views

What is the solution to the inequality shown? 3m + 5 > 2 (m-7)

So the first thing we would do is expand the right side: so multiply everything in the bracket by 2 to open it up -so it would become 2m - 14.3m + 5 > 2m -14Then we move all the like terms to one side (nu...
ZF
Answered by zeina f. • Maths tutor
4405 Views

Factorise 3𝑝𝑞4 − 12𝑞2𝑝6 fully.

3pq 4 - 12q 2 p 6 = 3(pq 4 -4q 2 p 6 ) = 3p(q 4 -4q 2 p 5 ) = 3pq 2 (q 2 -4p 5 )
EM
Answered by Ellica M. • Maths tutor
2502 Views

A cake recipe for 4 people has the following ingredients: 150g of flour, 120g of sugar, 80g of butter, 20ml of milk, and 2 eggs. How much sugar do I need to bake a cake for 7 people?

120 g of sugar is required for 4 people Therefore 120/4=30 g of sugar is required per person. So 30x7=210 g of sugar is required to make a cake for 7 people.
AS
Answered by Anika S. • Maths tutor
7732 Views

Expand and simplify (a+b)^2

a 2 + 2ab + b 2
KF
Answered by Kira F. • Maths tutor
1797 Views